42819033 has 4 divisors (see below), whose sum is σ = 57092048. Its totient is φ = 28546020.

The previous prime is 42819019. The next prime is 42819037. The reversal of 42819033 is 33091824.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 42819033 - 2⁹ = 42818521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42819037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7136503 + ... + 7136508.

It is an arithmetic number, because the mean of its divisors is an integer number (14273012).

Almost surely, 2^42819033 is an apocalyptic number.

It is an amenable number.

42819033 is a deficient number, since it is larger than the sum of its proper divisors (14273015).

42819033 is a wasteful number, since it uses less digits than its factorization.

42819033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14273014.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 42819033 is about 6543.6253713060. The cubic root of 42819033 is about 349.8476425309.

The spelling of 42819033 in words is "forty-two million, eight hundred nineteen thousand, thirty-three".